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ELIZABETH VARGAS REPORTS FROM ITALY, WHERE A VERDICT IS IMMINENT
IN THE CASE OF AMANDA KNOX, THE AMERICAN STUDENT ACCUSED,
ALONG WITH HER FORMER ITALIAN BOYFRIEND, OF MURDERING
HER ROOMMATE, ON "20/20," FRIDAY, DECEMBER 4

Elizabeth Vargas will report from Italy, where a verdict is expected in the trial of American college student Amanda Knox, who is accused of murdering her British roommate, Meredith Kercher, in 2007, just six weeks after arriving to study abroad in the quaint, medieval town of Perugia, Italy. Knox is on trial with her former Italian boyfriend, Raffaele Sollecito. The two claim they were together at his apartment the night of the murder. A third man, Rudy Guede, has already been convicted and sentenced to 30 years. "20/20" and Elizabeth Vargas have been following the case since the arrest, and has aired exclusive interviews with Knox's family, as well as obtained unprecedented access to both the prosecution and defense. The report airs on "20/20," FRIDAY, DECEMBER 4 (10:00-11:00 p.m., ET) on the ABC Television Network. `

Plus: Rihanna broke her silence about the abuse she suffered in an interview which aired on "20/20" on November 6. Now, for the first time since she went public, pop star Chris Brown reacts to Rihanna's interview and speaks candidly about the their relationship. Robin Roberts interviews Chris Brown.

And: From hair color to manicures, if you want to look your best and save money, the answer often is "do it yourself" treatments. But how about "do it yourself" cosmetic procedures, like chemical peels and injectibles? "Good Morning America " Consumer Correspondent Elizabeth Leamy reports.

Also: For many people the sun is more than a source of life and light, soaking in its rays is a fashion statement. But this billion-dollar-a-year business is not without controversy. This year the World Health Organization classified tanning beds as a definite cancer risk. How do tanning salon employees respond when questioned about those health risks, especially cancer, by potential customers? "20/20" partnered with Cosmopolitan magazine on a joint undercover investigation to find out. JuJu Chang reports.

Additionally: Today the internet has all but replaced the travel agency when shopping for and booking vacations. But when it comes to the web, seeing is not always believing. Jim Avila investigates.

"20/20" is anchored by Elizabeth Vargas. David Sloan is executive producer.